American House Spider
The American house spider is a common brown spider that can be found in Michigan. The spider's webs look like tangled messes in the corners, and the spiders have long, spindly legs with darker-colored patches on its legs and body. These spiders rarely bother humans, though they will bite if threatened. The spider's bite does not carry lethal venom like other spider species, including its relative the black widow. The American house spider can also be found in black and tan colors.
Brown Recluse Spider
The brown recluse is a dangerous spider that is a concern for some in Michigan. Typically, the species avoids Michigan's cooler climate and has only been documented in the state once. The spiders are yellowish-tan to dark brown, with soft and long bodies. The spiders have three pairs of eyes in a semicircle on the front of its head, and a violin-shaped marking behind its eyes. Brown recluse spiders prefer dark, undisturbed areas and will bite if disturbed. Its venom is rarely fatal, though anyone who is bitten should seek immediate medical attention.
Bowl and Doily Weaver Spider
The bowl and doily weaver spider is another brown spider that can be found in Michigan. This spider has long, thin legs, and a body that can be colored brown, yellow, ivory, white, tan or black. The spider is most identifiable by the web it uses to lure prey. It weaves a bowl shape on top of a flat doily shape. The spider will sit below the bowl and wait for its prey to enter the bowl. The spider is commonly found in wooded areas and its venom is nonlethal.
Wolf Spider
The wolf spider is another brown spider species that can be found in Michigan. The spider has a large and thick body, with long legs covered in red spots. The spider is known for hunting at night and burrowing into its home during the day. Its large size makes it intimidating to people, but the spider's venom is not dangerous to humans. The spider will bite when handled, which can be a painful bite because of its large fangs.